674078 has 4 divisors (see below), whose sum is σ = 1011120. Its totient is φ = 337038.

The previous prime is 674071. The next prime is 674083. The reversal of 674078 is 870476.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674071) by changing a digit.

674078 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168518 + ... + 168521.

It is an arithmetic number, because the mean of its divisors is an integer number (252780).

2⁶⁷⁴⁰⁷⁸ is an apocalyptic number.

674078 is a deficient number, since it is larger than the sum of its proper divisors (337042).

674078 is a wasteful number, since it uses less digits than its factorization.

674078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337041.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 674078 is about 821.0225331865. The cubic root of 674078 is about 87.6805740312.

The spelling of 674078 in words is "six hundred seventy-four thousand, seventy-eight".